Seiko Cal. 6156 - 331

Seiko 6156-331

The 6156-331 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6156 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-faae57b2e1e1]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1998

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